3099403 has 2 divisors, whose sum is σ = 3099404. Its totient is φ = 3099402.

The previous prime is 3099391. The next prime is 3099409. The reversal of 3099403 is 3049903.

It is a strong prime.

It is an emirp because it is prime and its reverse (3049903) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3099403 is a prime.

3099403 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3099409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1549701 + 1549702.

It is an arithmetic number, because the mean of its divisors is an integer number (1549702).

Almost surely, 2^3099403 is an apocalyptic number.

3099403 is a deficient number, since it is larger than the sum of its proper divisors (1).

3099403 is an equidigital number, since it uses as much as digits as its factorization.

3099403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 3099403 is about 1760.5121413952. The cubic root of 3099403 is about 145.8006129222.

The spelling of 3099403 in words is "three million, ninety-nine thousand, four hundred three".